`styraxconsulting.cz`

DNSSEC	🔒 Signed (DS record present)
A	85.207.58.137^{🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block}
		PTR	`85-207-58-137.static.bluetone.cz`
NS	`ns2.web4u.cz` ⭐
		A	2a02:a40:100:28ff::12^{🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s.}
			PTR	`ns2.web4u.cz`
		A	85.207.53.12^{🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block}
			PTR	`ns2.web4u.cz`
NS	`ns.web4u.cz`
		A	2001:1568:fd::241^{🇨🇿 WEB4U2001:1568::/33}
			PTR	`ns.web4u.cz`
		A	185.14.224.241^{🇨🇿 WEB4U185.14.224.0/23}
			PTR	`ns.web4u.cz`
MX	`styraxconsulting-cz.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::1^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr07cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::5^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am1pr04cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::c^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00304.inbound.protection.outlook.com`
		A	52.101.68.36^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db5pr02cu00104.inbound.protection.outlook.com`
		A	52.101.73.1^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am3pr04cu00501.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
		A	52.101.73.24^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00300.inbound.protection.outlook.com`
TXT	`MS=ms66115243`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns.web4u.cz`admin@web4u.cz 2025-06-06 #0

`cz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.ns.nic.cz` ⭐
	NS	`b.ns.nic.cz`
	NS	`c.ns.nic.cz`
	NS	`d.ns.nic.cz`
	SOA	`a.ns.nic.cz`hostmaster@nic.cz serial=1778748434

Same first word

styraxconsulting.cz

DNS History

8 records (4 active, 4 former)

●NSns.web4u.cz2015-06-28 → 2026-05-14 · 2 obs

● 2015-06-28 02:14:56
● 2026-05-14 09:15:00

●NSns2.web4u.cz2015-06-28 → 2026-05-14 · 2 obs

● 2015-06-28 02:14:56
● 2026-05-14 09:15:00

○MXalduin.mystik.cz2015-06-28 → 2016-12-31 · 4 obs

● 2015-06-28 02:14:56
● 2016-12-31 04:44:36
○ 2017-12-14 12:11:46
○ 2026-05-14 09:15:00

○MXmail.mystik.cz2017-12-14 → 2017-12-14 · 4 obs

○ 2016-12-31 04:44:36
● 2017-12-14 12:11:46
○ 2020-03-31 06:40:52
○ 2026-05-14 09:15:00

●MXstyraxconsulting-cz.mail.protection.outlook.com2020-03-31 → 2026-05-14 · 3 obs

○ 2017-12-14 12:11:46
● 2020-03-31 06:40:52
● 2026-05-14 09:15:00

○A185.28.103.782017-12-14 → 2020-03-31 · 5 obs

○ 2016-12-31 04:44:36
● 2017-12-14 12:11:46
● 2020-03-31 06:40:52
○ 2026-05-04 20:29:32
○ 2026-05-14 09:15:00

○A81.91.92.1742015-06-28 → 2016-12-31 · 4 obs

● 2015-06-28 02:14:56
● 2016-12-31 04:44:36
○ 2017-12-14 12:11:46
○ 2026-05-14 09:15:00

●A85.207.58.1372026-05-04 → 2026-05-14 · 3 obs

○ 2020-03-31 06:40:52
● 2026-05-04 20:29:32
● 2026-05-14 09:15:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
styraxconsulting.cz	ns.web4u.cz, ns2.web4u.cz	4 records

✅ Authoritative Response

Server:85.207.53.12

NS records: ns.web4u.cz, ns2.web4u.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2913ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.207.58.137`
NS	2	`ns.web4u.cz, ns2.web4u.cz`
MX	1	`styraxconsulting-cz.mail.protection.outl`
TXT	2	`MS=ms66115243, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns.web4u.cz admin.web4u.cz`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns.web4u.cz, ns.web4u.cz, ns2.web4u.cz...)

Analysis

IP Addresses

styraxconsulting.cz resolves to a single IP: 85.207.58.137.

Name Servers

styraxconsulting.cz has two name servers: ns2.web4u.cz and ns.web4u.cz.

styraxconsulting.cz shares the same name server setup as other domains, for example laube.cz, faina.cz, septolete.cz, linsenswiss.ch and newwinery.com.

Host names with two IP numbers:

ns2.web4u.cz points to: 2a02:a40:100:28ff::12 and 85.207.53.12; ns.web4u.cz points to: 2001:1568:fd::241 and 185.14.224.241.

Mail Servers

styraxconsulting.cz is handled by a single mail server, styraxconsulting-cz.mail.protection.outlook.com.

Host styraxconsulting-cz.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::, 2a01:111:f403:ca09::1, 2a01:111:f403:ca09::5, 2a01:111:f403:ca09::c, 52.101.68.36, 52.101.73.1, 52.101.73.2 and 52.101.73.24.

styraxconsulting.cz - robtex.com